Got a room with a bathroom with a bad water flow (room 8815), even though the door was tightly closed, it still flooded into the toilet. Never leave your belongings with security, they'll get mixed up, making it difficult for the courier to go back and forth. Use all sorts of excuses to claim other people's belongings, even though they weren't left with you. When checking out, make sure you don't leave anything behind, because they'll say it's missing, even though you haven't even left the hotel room yet.